WO2004051117A1 - Getriebeeinheit - Google Patents
Getriebeeinheit Download PDFInfo
- Publication number
- WO2004051117A1 WO2004051117A1 PCT/DE2003/003719 DE0303719W WO2004051117A1 WO 2004051117 A1 WO2004051117 A1 WO 2004051117A1 DE 0303719 W DE0303719 W DE 0303719W WO 2004051117 A1 WO2004051117 A1 WO 2004051117A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gear
- rack
- projection
- transmission assembly
- stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
- F16H2019/046—Facilitating the engagement or stopping of racks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/1876—Reciprocating or oscillating to or from alternating rotary including inertia device
- Y10T74/18768—Reciprocating or oscillating to or from alternating rotary including inertia device with rack and pinion
Definitions
- the invention relates to a gear unit with a
- Rack and a gear which is connected to a shaft forming a cam, and which engages in the rack.
- Such gear units are used in a variety of fine mechanical devices in which mechanical processes are cyclically controlled.
- tachographs for example, it is necessary to control the lifting and lowering of a pen that is used for various registration tasks.
- the rack on the one hand and the gearwheel on the other hand are fitted into one another, the two parts having to be put together in a specific position so that the control cam can correctly perform its controlling task.
- both the toothed rack and the toothed wheel with a marking, so that the person who carries out the assembly can align the toothed rack and the toothed wheel exactly with one another.
- no colored marking is generally used, but a corresponding surface structure serving as a marking is used in the manufacture of the toothed rack and the toothed wheel, which are generally injection-molded plastic parts.
- the object of the invention is therefore to specify a gear unit in which it is ensured that the toothed rack and the toothed wheel are assembled in the correct position.
- a gear unit of the type mentioned which is characterized in that a stop is provided on the rack, which cooperates with a projection of the gear or the shaft.
- the stop according to the invention it is no longer necessary to determine the correspondence of two markings by visual inspection, but only one mounting option is available in a certain position.
- the advantage of the invention is that the gear parts can be joined together without having to take into account markings that are difficult to visually recognize.
- the design of the projection and of the stop according to the invention can be implemented without additional cost.
- a tooth of the gearwheel is designed in such a way that it forms a projection which can interact with the stop.
- FIG. 1 shows a first three-dimensional view of a transmission unit according to the invention
- Figure 2 shows a second three-dimensional view of a transmission unit according to the invention.
- the gear unit shown in Figure 1 has a rack 1, which has two toothed areas 7 and 8.
- the toothing of a gearwheel 2 engages in the first toothed region 7.
- the gear wheel 2 is connected to a shaft 4, a first area 10 being connected to the gear wheel and a second area 9 forming a control curve.
- the axis of rotation of the gear wheel 2 runs through the shaft section 10, while the section 9 forming the control cam has an axis parallel and spaced apart from the first axis.
- the control curve section 9 does not have to have a circular or oval shape, rather the shape of the control curve section 9 can be adapted to the corresponding control task.
- the second toothed area 8 of the rack 1 can be used, for example, to drive the rack 1.
- the gear wheel 2 has a projection 6 which is shaped instead of one or more normal teeth.
- the projection 6 has the width of several normal teeth in this exemplary embodiment.
- the projection 6 interacts with a stop 5 which is formed on the rack 1.
- the assembly can take place, for example, in such a way that first the projection 6 is brought into contact with the stop 5 is, so that it is then ensured that the teeth of the gear 2 and the rack 1 engage properly.
- the two surfaces of the stop 5 and two surfaces of the projection 6 must be in a form-fitting manner.
- FIG. 2 shows a second three-dimensional view of the gear unit according to the invention from FIG. 1, the end face of the gearwheel 2 being visible in this perspective.
- FIGS. 1 and 2 it is only possible to rotate the gearwheel by three-fourths of a revolution, since the projection 8 then no longer fits with the toothing 7 of the rack 1. At most, it would be possible to profile the rack 1 so that the projection 6 can engage in a corresponding recess in the rack 1.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Gears, Cams (AREA)
- Telephone Function (AREA)
- Vehicle Body Suspensions (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/536,034 US20060053914A1 (en) | 2002-12-04 | 2003-11-10 | Transmission assembly |
| DE50305606T DE50305606D1 (de) | 2002-12-04 | 2003-11-10 | Getriebeeinheit |
| BR0316946-4A BR0316946A (pt) | 2002-12-04 | 2003-11-10 | Conjunto de engrenagem |
| EP03767415A EP1567791B1 (de) | 2002-12-04 | 2003-11-10 | Getriebeeinheit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10256717A DE10256717A1 (de) | 2002-12-04 | 2002-12-04 | Getriebeeinheit |
| DE10256717.4 | 2002-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004051117A1 true WO2004051117A1 (de) | 2004-06-17 |
Family
ID=32335970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2003/003719 Ceased WO2004051117A1 (de) | 2002-12-04 | 2003-11-10 | Getriebeeinheit |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20060053914A1 (de) |
| EP (1) | EP1567791B1 (de) |
| AT (1) | ATE344407T1 (de) |
| BR (1) | BR0316946A (de) |
| DE (2) | DE10256717A1 (de) |
| ES (1) | ES2273044T3 (de) |
| WO (1) | WO2004051117A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0306907A2 (de) * | 1987-09-09 | 1989-03-15 | Moto Meter AG | Fahrtschreiber für Kraftfahrzeuge |
| US4858135A (en) * | 1984-02-24 | 1989-08-15 | Veeder-Root Limited | Tachograph and vehicle speed control device |
| JPH11173166A (ja) * | 1997-12-05 | 1999-06-29 | Aisan Ind Co Ltd | 車両用歯車伝達機構と吸気量制御装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE934319C (de) * | 1953-03-24 | 1955-10-20 | Walter Darby | Zahnstangenantrieb |
| US4258580A (en) * | 1979-10-30 | 1981-03-31 | Pitney Bowes Inc. | Gear assembly for driving a rack |
| JPH0989081A (ja) * | 1995-09-28 | 1997-03-31 | Fuji Heavy Ind Ltd | 汎用エンジンの射出成形ギヤ及びその製造方法 |
| DE29602056U1 (de) * | 1996-02-07 | 1996-03-14 | VDO Adolf Schindling AG, 60326 Frankfurt | Getriebe zur Übertragung einer Drehbewegung |
| JP2001295907A (ja) * | 2000-04-12 | 2001-10-26 | Smc Corp | ラック・ピニオン式揺動装置のバックラッシ吸収機構 |
| US6663602B2 (en) * | 2000-06-16 | 2003-12-16 | Novo Nordisk A/S | Injection device |
-
2002
- 2002-12-04 DE DE10256717A patent/DE10256717A1/de not_active Withdrawn
-
2003
- 2003-11-10 WO PCT/DE2003/003719 patent/WO2004051117A1/de not_active Ceased
- 2003-11-10 AT AT03767415T patent/ATE344407T1/de active
- 2003-11-10 US US10/536,034 patent/US20060053914A1/en not_active Abandoned
- 2003-11-10 ES ES03767415T patent/ES2273044T3/es not_active Expired - Lifetime
- 2003-11-10 BR BR0316946-4A patent/BR0316946A/pt not_active IP Right Cessation
- 2003-11-10 DE DE50305606T patent/DE50305606D1/de not_active Expired - Lifetime
- 2003-11-10 EP EP03767415A patent/EP1567791B1/de not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4858135A (en) * | 1984-02-24 | 1989-08-15 | Veeder-Root Limited | Tachograph and vehicle speed control device |
| EP0306907A2 (de) * | 1987-09-09 | 1989-03-15 | Moto Meter AG | Fahrtschreiber für Kraftfahrzeuge |
| JPH11173166A (ja) * | 1997-12-05 | 1999-06-29 | Aisan Ind Co Ltd | 車両用歯車伝達機構と吸気量制御装置 |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 1999, no. 11 30 September 1999 (1999-09-30) * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1567791B1 (de) | 2006-11-02 |
| DE10256717A1 (de) | 2004-06-24 |
| ES2273044T3 (es) | 2007-05-01 |
| BR0316946A (pt) | 2005-10-18 |
| ATE344407T1 (de) | 2006-11-15 |
| DE50305606D1 (de) | 2006-12-14 |
| EP1567791A1 (de) | 2005-08-31 |
| US20060053914A1 (en) | 2006-03-16 |
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